NGC 682

NGC 682 is a lenticular galaxy in the constellation of Cetus. Its velocity with respect to the cosmic microwave background is 5,338 ± 26 km/s, which corresponds to a Hubble distance of 78.7 ± 5.5 Mpc (~257 million light-years).^[1] It was discovered by German-British astronomer William Herschel on 30 December 1785.^[2]

NGC 682
The lenticular galaxy NGC 682.
Observation data (J2000 epoch)
Constellation	Cetus
Right ascension	01h 40m 04.5754s[1]
Declination	−14° 58′ 29.019″[1]
Redshift	0.018686[1]
Heliocentric radial velocity	5602 ± 19 km/s[1]
Distance	256.8 ± 18.0 Mly (78.73 ± 5.53 Mpc)[1]
Apparent magnitude (V)	13.4[1]
Characteristics
Type	SA0-[1]
Size	~105,900 ly (32.46 kpc) (estimated)[1]
Apparent size (V)	1.4' x 1.1'[1]
Other designations
2MASX J01490460-1458295, MCG -03-05-022, PGC 6663[1]

One supernova has been observed in NGC 682: SN 2023xtg (type Ia, mag. 18.1) was discovered by Kōichi Itagaki on 14 November 2023.^[3]

See also

• List of NGC objects (1–1000)